package com.sparrow.gate.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.lang.reflect.Method;

@Configuration
@EnableCaching
//@EnableAutoConfiguration
public class RedisCacheConfig extends CachingConfigurerSupport
{
    private final static Logger logger = LoggerFactory.getLogger(RedisCacheConfig.class);

    @Autowired
    private RedisConnectionFactory redisConnectionFactory;

    @Bean
    public KeyGenerator wiselyKeyGenerator()
    {
        return (Object target, Method method, Object... params) -> {
            StringBuilder sb = new StringBuilder();
            sb.append(target.getClass().getName() + "-");
            sb.append(method.getName());
            if (params.length != 0)
            {
                sb.append(":");
            }
            for (Object obj : params)
            {
                sb.append(obj.toString() + ",");
            }
            return sb.toString();
        };

//        return new KeyGenerator()->
//        {
//            @Override
//            public Object generate(Object target, Method method, Object... params)
//            {
//                StringBuilder sb = new StringBuilder();
//                sb.append(target.getClass().getName());
//                sb.append(method.getName());
//                for (Object obj : params)
//                {
//                    sb.append(obj.toString());
//                }
//                return sb.toString();
//            }
//        };
    }

    @Bean(name = "redisCacheManager")
    public CacheManager cacheManager(RedisTemplate redisTemplate)
    {
        RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
        // Number of seconds before expiration. Defaults to unlimited (0)
        cacheManager.setDefaultExpiration(60); //设置key-value超时时间
        //cacheManager.setExpires(this.loadFromConfig());
        return cacheManager;
    }

    @Bean
    public RedisTemplate<String, String> redisTemplate()
    {
        StringRedisTemplate template = new StringRedisTemplate(redisConnectionFactory);
        //setSerializer(template); //设置序列化工具，这样ReportBean不需要实现Serializable接口

        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        jackson2JsonRedisSerializer.setObjectMapper(om);

        //key序列化方式
        RedisSerializer<String> redisSerializer = new StringRedisSerializer();
        template.setKeySerializer(redisSerializer);
        //value序列化
        template.setValueSerializer(jackson2JsonRedisSerializer);
        //value hashmap序列化
        template.setHashValueSerializer(jackson2JsonRedisSerializer);

        template.afterPropertiesSet();
        return template;
    }

//    private void setSerializer(StringRedisTemplate template)
//    {
//        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
//        ObjectMapper om = new ObjectMapper();
//        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
//        om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
//        jackson2JsonRedisSerializer.setObjectMapper(om);
//        template.setValueSerializer(jackson2JsonRedisSerializer);
//    }


}
